| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package sc |
| |
| import ( |
| "encoding/json" |
| "fmt" |
| "github.com/apache/servicecomb-service-center/pkg/util" |
| "github.com/apache/servicecomb-service-center/server/admin/model" |
| "github.com/apache/servicecomb-service-center/server/core" |
| pb "github.com/apache/servicecomb-service-center/server/core/proto" |
| scerr "github.com/apache/servicecomb-service-center/server/error" |
| "github.com/apache/servicecomb-service-center/server/plugin/pkg/registry" |
| "github.com/apache/servicecomb-service-center/version" |
| "golang.org/x/net/context" |
| "io/ioutil" |
| "net/http" |
| ) |
| |
| const ( |
| apiVersionURL = "/version" |
| apiDumpURL = "/v4/default/admin/dump" |
| apiClustersURL = "/v4/default/admin/clusters" |
| apiHealthURL = "/v4/default/registry/health" |
| apiSchemasURL = "/v4/%s/registry/microservices/%s/schemas" |
| apiSchemaURL = "/v4/%s/registry/microservices/%s/schemas/%s" |
| apiInstancesURL = "/v4/%s/registry/microservices/%s/instances" |
| apiInstanceURL = "/v4/%s/registry/microservices/%s/instances/%s" |
| |
| QueryGlobal = "global" |
| ) |
| |
| func (c *SCClient) toError(body []byte) *scerr.Error { |
| message := new(scerr.Error) |
| err := json.Unmarshal(body, message) |
| if err != nil { |
| return scerr.NewError(scerr.ErrInternal, util.BytesToStringWithNoCopy(body)) |
| } |
| return message |
| } |
| |
| func (c *SCClient) parseQuery(ctx context.Context) (q string) { |
| switch { |
| case ctx.Value(QueryGlobal) == "1": |
| q += "global=true" |
| default: |
| q += "global=false" |
| } |
| return |
| } |
| |
| func (c *SCClient) GetScVersion(ctx context.Context) (*version.VersionSet, *scerr.Error) { |
| resp, err := c.RestDoWithContext(ctx, http.MethodGet, apiVersionURL, c.CommonHeaders(ctx), nil) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| defer resp.Body.Close() |
| |
| body, err := ioutil.ReadAll(resp.Body) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| |
| if resp.StatusCode != http.StatusOK { |
| return nil, c.toError(body) |
| } |
| |
| v := &version.VersionSet{} |
| err = json.Unmarshal(body, v) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| |
| return v, nil |
| } |
| |
| func (c *SCClient) GetScCache(ctx context.Context) (*model.Cache, *scerr.Error) { |
| headers := c.CommonHeaders(ctx) |
| // only default domain has admin permission |
| headers.Set("X-Domain-Name", "default") |
| resp, err := c.RestDoWithContext(ctx, http.MethodGet, apiDumpURL, headers, nil) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| defer resp.Body.Close() |
| |
| body, err := ioutil.ReadAll(resp.Body) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| |
| if resp.StatusCode != http.StatusOK { |
| return nil, c.toError(body) |
| } |
| |
| dump := &model.DumpResponse{} |
| err = json.Unmarshal(body, dump) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| |
| return dump.Cache, nil |
| } |
| |
| func (c *SCClient) GetSchemasByServiceId(ctx context.Context, domainProject, serviceId string) ([]*pb.Schema, *scerr.Error) { |
| domain, project := core.FromDomainProject(domainProject) |
| headers := c.CommonHeaders(ctx) |
| headers.Set("X-Domain-Name", domain) |
| resp, err := c.RestDoWithContext(ctx, http.MethodGet, |
| fmt.Sprintf(apiSchemasURL, project, serviceId)+"?withSchema=1&"+c.parseQuery(ctx), |
| headers, nil) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| defer resp.Body.Close() |
| |
| body, err := ioutil.ReadAll(resp.Body) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| |
| if resp.StatusCode != http.StatusOK { |
| return nil, c.toError(body) |
| } |
| |
| schemas := &pb.GetAllSchemaResponse{} |
| err = json.Unmarshal(body, schemas) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| |
| return schemas.Schemas, nil |
| } |
| |
| func (c *SCClient) GetSchemaBySchemaId(ctx context.Context, domainProject, serviceId, schemaId string) (*pb.Schema, *scerr.Error) { |
| domain, project := core.FromDomainProject(domainProject) |
| headers := c.CommonHeaders(ctx) |
| headers.Set("X-Domain-Name", domain) |
| resp, err := c.RestDoWithContext(ctx, http.MethodGet, |
| fmt.Sprintf(apiSchemaURL, project, serviceId, schemaId)+"?"+c.parseQuery(ctx), |
| headers, nil) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| defer resp.Body.Close() |
| |
| body, err := ioutil.ReadAll(resp.Body) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| |
| if resp.StatusCode != http.StatusOK { |
| return nil, c.toError(body) |
| } |
| |
| schema := &pb.GetSchemaResponse{} |
| err = json.Unmarshal(body, schema) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| |
| return &pb.Schema{ |
| SchemaId: schemaId, |
| Schema: schema.Schema, |
| Summary: schema.SchemaSummary, |
| }, nil |
| } |
| |
| func (c *SCClient) GetClusters(ctx context.Context) (registry.Clusters, *scerr.Error) { |
| headers := c.CommonHeaders(ctx) |
| // only default domain has admin permission |
| headers.Set("X-Domain-Name", "default") |
| resp, err := c.RestDoWithContext(ctx, http.MethodGet, apiClustersURL, headers, nil) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| defer resp.Body.Close() |
| |
| body, err := ioutil.ReadAll(resp.Body) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| |
| if resp.StatusCode != http.StatusOK { |
| return nil, c.toError(body) |
| } |
| |
| clusters := &model.ClustersResponse{} |
| err = json.Unmarshal(body, clusters) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| |
| return clusters.Clusters, nil |
| } |
| |
| func (c *SCClient) HealthCheck(ctx context.Context) *scerr.Error { |
| headers := c.CommonHeaders(ctx) |
| // only default domain has admin permission |
| headers.Set("X-Domain-Name", "default") |
| resp, err := c.RestDoWithContext(ctx, http.MethodGet, apiHealthURL, headers, nil) |
| if err != nil { |
| return scerr.NewError(scerr.ErrUnavailableBackend, err.Error()) |
| } |
| defer resp.Body.Close() |
| |
| body, err := ioutil.ReadAll(resp.Body) |
| if err != nil { |
| return scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| |
| if resp.StatusCode != http.StatusOK { |
| return c.toError(body) |
| } |
| return nil |
| } |
| |
| func (c *SCClient) GetInstancesByServiceId(ctx context.Context, domainProject, providerId, consumerId string) ([]*pb.MicroServiceInstance, *scerr.Error) { |
| domain, project := core.FromDomainProject(domainProject) |
| headers := c.CommonHeaders(ctx) |
| headers.Set("X-Domain-Name", domain) |
| headers.Set("X-ConsumerId", consumerId) |
| resp, err := c.RestDoWithContext(ctx, http.MethodGet, |
| fmt.Sprintf(apiInstancesURL, project, providerId)+"?"+c.parseQuery(ctx), |
| headers, nil) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| defer resp.Body.Close() |
| |
| body, err := ioutil.ReadAll(resp.Body) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| |
| if resp.StatusCode != http.StatusOK { |
| return nil, c.toError(body) |
| } |
| |
| instancesResp := &pb.GetInstancesResponse{} |
| err = json.Unmarshal(body, instancesResp) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| |
| return instancesResp.Instances, nil |
| } |
| |
| func (c *SCClient) GetInstanceByInstanceId(ctx context.Context, domainProject, providerId, instanceId, consumerId string) (*pb.MicroServiceInstance, *scerr.Error) { |
| domain, project := core.FromDomainProject(domainProject) |
| headers := c.CommonHeaders(ctx) |
| headers.Set("X-Domain-Name", domain) |
| headers.Set("X-ConsumerId", consumerId) |
| resp, err := c.RestDoWithContext(ctx, http.MethodGet, |
| fmt.Sprintf(apiInstanceURL, project, providerId, instanceId)+"?"+c.parseQuery(ctx), |
| headers, nil) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| defer resp.Body.Close() |
| |
| body, err := ioutil.ReadAll(resp.Body) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| |
| if resp.StatusCode != http.StatusOK { |
| return nil, c.toError(body) |
| } |
| |
| instanceResp := &pb.GetOneInstanceResponse{} |
| err = json.Unmarshal(body, instanceResp) |
| if err != nil { |
| return nil, scerr.NewError(scerr.ErrInternal, err.Error()) |
| } |
| |
| return instanceResp.Instance, nil |
| } |